PhabricatorImageRemarkupRule.php
05a4c55c52bemaster

PhabricatorImageRemarkupRule.php
View Options

			<?php

			final class PhabricatorImageRemarkupRule extends PhutilRemarkupRule {
			public function getPriority() {
			return 200.0;
			}

			public function apply($text) {
			return preg_replace_callback(
			'@{(image\|img) ((?:[^}\\\\]+\|\\\\.)*)}@m',
			array($this, 'markupImage'),
			$text);
			}

			public function markupImage(array $matches) {
			if (!$this->isFlatText($matches[0])) {
			return $matches[0];
			}
			$args = array();
			$defaults = array(
			'uri' => null,
			'alt' => null,
			'width' => null,
			'height' => null,
			);
			$trimmed_match = trim($matches[2]);
			if ($this->isURI($trimmed_match)) {
			$args['uri'] = new PhutilURI($trimmed_match);
			} else {
			$parser = new PhutilSimpleOptions();
			$keys = $parser->parse($trimmed_match);

			$uri_key = '';
			foreach (array('src', 'uri', 'url') as $key) {
			if (array_key_exists($key, $keys)) {
			$uri_key = $key;
			}
			}
			if ($uri_key) {
			$args['uri'] = new PhutilURI($keys[$uri_key]);
			}
			$args += $keys;
			}

			$args += $defaults;

			if ($args['uri']) {
			$src_uri = id(new PhutilURI('/file/imageproxy/'))
			->setQueryParam('uri', (string)$args['uri']);
			$img = $this->newTag(
			'img',
			array(
			'src' => $src_uri,
			'alt' => $args['alt'],
			'width' => $args['width'],
			'height' => $args['height'],
			));
			return $this->getEngine()->storeText($img);
			} else {
			return $matches[0];
			}
			}

			private function isURI($uri_string) {
			// Very simple check to make sure it starts with either http or https.
			// If it does, we'll try to treat it like a valid URI
			return preg_match('~^https?\:\/\/.*\z~i', $uri_string);
			}
			}